Question
Sun December 09, 2012 By: Anima Das

what is final temperature?

Expert Reply
Tue December 11, 2012

Since the bulb is open,

According to combined gas equation, n1RT1 = n2RT2

Now, n1 = n

And n2 = n + n/4 = 5n/4

T1 = 273 + 19 = 292 K

So, n x R x 292 = (5n/4) x R x T2

So, T2 = (292 x 4)/5

           = 233.6 K or -39.4oC

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